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Acer DX650 vs Palm Centro

Compare recorded specifications, size and practical differences.

Acer DX650

Acer DX650

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Palm Centro

Palm Centro

Replace Centro
Remove Centro
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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    Centro: 9 g lighter

    DX650:
    133 g
    Centro:
    124 g
  • Width

    Centro: 5.5 mm narrower

    DX650:
    59 mm
    Centro:
    53.5 mm
  • Screen diagonal

    Centro: 0.55 in smaller diagonal

    DX650:
    2.8 in
    Centro:
    2.25 in
  • Depth

    DX650: 3 mm thinner

    DX650:
    15.6 mm
    Centro:
    18.6 mm
  • Height

    Centro: 2.4 mm shorter

    DX650:
    109.6 mm
    Centro:
    107.2 mm
  • Release year

    DX650:
    2009
    Centro:
    2008

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

Front
Front — relative size Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps. DX650: height 109.6 mm; Width 59 mm. Centro: height 107.2 mm; Width 53.5 mm. DX650: 109.6 × 59 mm 1 Centro: 107.2 × 53.5 mm 2
Side
Side — relative size Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps. DX650: height 109.6 mm; Depth 15.6 mm. Centro: height 107.2 mm; Depth 18.6 mm. DX650: 109.6 × 15.6 mm 1 Centro: 107.2 × 18.6 mm 2
  1. 1. DX650

    Height:
    109.6 mm +2.4 mm versus Centro
    Width:
    59 mm +5.5 mm versus Centro
    Depth:
    15.6 mm
    Weight:
    133 g
  2. 2. Centro

    Height:
    107.2 mm
    Width:
    53.5 mm
    Depth:
    18.6 mm +3 mm versus DX650
    Weight:
    124 g

Weight

Bars start at zero and share a scale within this chart.

  1. 1. DX650

    133 g

    +9 g versus Centro

  2. 2. Centro

    124 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

Screen size
Relative rectangular screen sizes; numbers match the phone labels below Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes. DX650: screen diagonal 2.8 in; aspect ratio (height:width) 4:3; approximate rectangular area 24.3 cm². Centro: screen diagonal 2.25 in; aspect ratio (height:width) 1:1; approximate rectangular area 16.3 cm². DX650: 2.8 in, 4:3, About 24.3 cm² rectangular area 1 Centro: 2.25 in, 1:1, About 16.3 cm² rectangular area 2
  1. 1. DX650

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Centro

    Screen diagonal:
    2.25 in
    Aspect ratio (height:width):
    1:1
    Approximate rectangular screen area:
    16.3 cm²

DX650 has approximately 48.7% more rectangular screen area than Centro.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

DX650: Original memory entry

Super AMOLED

Centro: Original memory entry

64 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. DX650

NFC:
See details Super AMOLED
Headphone jack:
See details panorama
Memory card support:
See details microSD (dedicated slot)

2. Centro

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 4 GB (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. DX650

    1260 mAh

    +110 mAh versus Centro

  2. 2. Centro

    1150 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. DX6502. Centro

Everyday essentials
Everyday essentials — specifications for DX650, Centro.
SpecificationDX650Centro
Dimensions (HxWxD)
  • 109.6 Х 59 Х 15.6 mm
  • 107.2 Х 53.5 Х 18.6 mm
Weight
  • 133 g
  • 124 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 2.25" inch
Screen resolution
  • 240 x 320 px
  • 320 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • Super AMOLED
  • 64 MB
Memory card support
  • microSD (dedicated slot)
  • microSD
  • up to 4 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1260 mAh
  • Removable Li-Ion
  • 1150 mAh
  • Removable Li-Ion
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Palm OS 5.4.9
NFC
  • Super AMOLED
Unknown
Headphone jack
  • panorama
  • No
Display
Display — specifications for DX650, Centro.
SpecificationDX650Centro
Touchscreen
  • resistive touchscreen
  • resistive touchscreen
Display colors
  • 65K
  • 65K
Screen area
  • 24.3 cm2
  • 16.3 cm2
Screen format
  • 4:3 (height:width)
  • 1:1 (height:width)
Screen to body ratio
  • 37.5%
  • 28.5%
PPI /points per inch/
  • 143 PPI
  • 201 PPI
Camera and Video
Camera and Video — specifications for DX650, Centro.
SpecificationDX650Centro
Rear camera, main
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 2 MP
  • 1.3 MP
Video
  • panorama
  • Yes
Front camera, selfie
  • 0 MP,
  • 0 MP,
Specifications
  • Super AMOLED
Unknown
Performance
Performance — specifications for DX650, Centro.
SpecificationDX650Centro
Processor CPU
  • Samsung S3C 6410 533 MHz
  • 32-bit Intel XScale PXA270 312 MHz
General specs
General specs — specifications for DX650, Centro.
SpecificationDX650Centro
Release date
  • 2009
  • June
  • 2008
  • February
Colors
  • Black
  • Obsidian
  • Glacier
  • Midnight
  • Cobalt
  • Onyx
  • Electric Blue
  • Rose
  • Olive
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 70 EUR
Battery life
  • Stand by time- Up to 150 h Talking time- Up to 4 h
  • Stand by time- Up to 300 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for DX650, Centro.
SpecificationDX650Centro
SIM card
  • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
Unknown
Speed
  • Super AMOLED
Unknown
GPRS
  • Class 10
  • Class 10
Edge
  • Class 10
  • Class 10
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • Yes
  • SiRF Star III chipset
  • No
USB
  • miniUSB
  • Proprietary
Bluetooth
  • microUSB 2.0
  • A2DP
  • 1.2
  • A2DP
Harmful irradiation Unknown
  • SAR - 0.27 W/kg (head) 0.22 W/kg (body)
Music and Audio
Music and Audio — specifications for DX650, Centro.
SpecificationDX650Centro
Radio
  • FM radio
  • No
Others
  • Secondary 1.27'' OLED display (128 x 96 pixel resolution) -Handwriting recognition
  • 5-way navigation button
Other features
Other features — specifications for DX650, Centro.
SpecificationDX650Centro
Dop
  • Sensors Accelerometer Pocket Office -Voice memo -MP3 player
  • Infrared port - Document editor (Word
  • Excel
  • PowerPoint
  • PDF) -MP3 player -Organizer -Voice memo